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NT6881 - USB Keyboard Micro-Controller

Datasheet Summary

Description

The NT6881 is a single chip micro-controller for USB keyboard applications.

It incorporates a 6502 8-bit CPU core, 6K bytes of mask ROM, and 256 bytes of RAM used as working RAM and stack area.

Features

  • n Built-in 6502 8-bit CPU n 3 MHz CPU operation frequency when oscillator is running at 6 MHz n 6K bytes of ROM n 256 bytes of SRAM n One 8-bit programmable base timer with pre-divider circuit n 29 programmable bi-directional I/O pins including two external interrupts n n n n n n n n n 3 LED direct sink pins with internal serial resistors On-chip oscillator (Crystal or Ceramic Resonator) Watch-dog timer reset Built-in power on reset USB interface 3 Endpoints provided Remote Wakeup provided CMOS.

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Datasheet preview – NT6881

Datasheet Details

Part number NT6881
Manufacturer ETC
File Size 785.26 KB
Description USB Keyboard Micro-Controller
Datasheet download datasheet NT6881 Datasheet
Additional preview pages of the NT6881 datasheet.

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Full PDF Text Transcription

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NT6881 USB Keyboard Micro-Controller Features n Built-in 6502 8-bit CPU n 3 MHz CPU operation frequency when oscillator is running at 6 MHz n 6K bytes of ROM n 256 bytes of SRAM n One 8-bit programmable base timer with pre-divider circuit n 29 programmable bi-directional I/O pins including two external interrupts n n n n n n n n n 3 LED direct sink pins with internal serial resistors On-chip oscillator (Crystal or Ceramic Resonator) Watch-dog timer reset Built-in power on reset USB interface 3 Endpoints provided Remote Wakeup provided CMOS technology for low power consumption 40-pin DIP package, 42-pad Chip Form and COB General Description The NT6881 is a single chip micro-controller for USB keyboard applications.
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